Transcript Usage of REST-GCA

Usage of REST-GCA
ZANG Zhenxiang
[email protected]
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Outline
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Set data directory
Set ROI
Mask selection
Set order & select algorithm
Set covariates (optional)
Set output directory
Z score transformation
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Set directory
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Click the right button to add a directory:
←
→
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Set directory
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Add sub-folders
for batch analysis:
←
→
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Set directory
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Remove the selected directory:
←
→
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Set directory
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Remove all the directories:
←
→
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Set ROI
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Voxel-wise
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ROI-wise
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Voxel-wise
→
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Voxel-wise
→
Please see REST-sliceviewer
→
for details.
→
The text file must contain only one
column. Each line represents the
value of a time point.
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Set ROI
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Voxel-wise
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ROI-wise
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ROI-wise (between two ROIs)
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Set the first ROI:
→
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ROI-wise
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Please see REST-sliceviewer
→
for details.
→
The text file must contain only one
column. Each line represents the
value of a time point.
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ROI-wise
Three ROIs have been added
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Mask selection
→
→
→
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User defined mask
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Select your
mask:
←
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Order and algorithm
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Set order:
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Choose the algorithm:
or
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Select the Coefficient Mode
→
Bivariate coefficients is for
bivariate cGCA computation.
Multivariate coefficients is for
multivariate cGCA computation.
The two selection are based on
coefficient-based ROI-wise GCA.
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ROI-wise for bivariate c-GCA
outputs
→
ROI_sequence: save the sequence of
pair ROI for bivariate GCA. Three
pairs of computation have been
performed: ROI1 v.s. ROI2; ROI1 v.s.
ROI3 and ROI2 v.s. ROI3.
Bivariate Results: Order was 1. Left
column is the signed-path coefficients
(ROI1 v.s. ROI 2,… see ROI_sequence).
Right column is the auto regression
coefficients.
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ROI-wise for Multivariate c-GCA
Order1 results:
Order2 results:
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Add covariates
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Covariates are optional
↓
The covariates text file may contain
several columns, each respresenting a
covariate.
→
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Set output directory
→
←
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Z score transformation
The result maps will be renamed with
suffix letter ‘Z’
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Click ‘Compute’ to start
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Thanks for using REST and REST-GCA!
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